.box{ text-align:center; width:1030px; height:700px;}
.box1{ text-align:center; width:1030px;}
.banner{ width:1030px;}
.null{ width:20px; height:64px; float:left;}
.logo{ background:url(../images/logo.png) no-repeat; height:64px; width:450px; float:left;}
.login{ width:450px; text-align:right; height:30px; line-height:30px; }
.search{ width:450px; text-align:right; height:34px; line-height:34px; }
#menu_out{}
#menu_in{}
#menu{height:30px;}
#menu ul{padding:0;border:0;list-style:none;}

#nav {list-style:none;display:block; font-size:14px; margin:0 auto;}

#nav .mainlevel {height:30px;float:left;  width:140px;/*IE6 only*/}
#nav .mainlevel a {color:#dddddd; text-decoration:none; line-height:30px; height:30px;display:block; text-align:center;font-weight:bolder;}
#nav .mainlevel a:hover {color:#616161; text-decoration:none; line-height:30px; height:30px;font-weight:bolder;background:#C6F0FD;}

#nav .mainlevel ul {display:none; position:absolute;float: left;border-top:none;font-size:14px;+position:relative}
#nav .mainlevel li { width:140px;/*IE6 only*/}
#nav .mainlevel li a{background:#C6F0FD;color:#616161; }
#nav .mainlevel li a:hover{background:#0DA5D4; color:#fff;}

.silan{text-align:left;width:150px;font-size:12px; color:#666666; overflow:hidden; line-height:18px;}

.news{  width:1002px; text-align:left;}
.news_fonts{height:28px; line-height:28px; font-family:'Segoe Script', '����';}
.company{ float:left;width:290px;}
.career{ float:left;width:628px;}
.foot{width:1030px; background-color:#0FA3D6; color: white;height:30px; line-height:30px;}
<!--.marquees{ background-color:#14ABDA; color:white;}-->
span a:link {
 color: #FF3300; /*����Ĭ�ϵ���ɫ�仯*/
 text-decoration:none;
}
span a:visited {
 color: #FF3300; /*���ӷ��ʵ���ɫ�仯*/
 text-decoration:none;
}
span a:hover {
 color: #FF0000; /*��꾭������ɫ�仯*/
 text-decoration:none;
 cursor:pointer;
}
span a:active { 
 color: #FFFF00; /*��갴�µ���ɫ�仯*/
 text-decoration:none;
}
#span1 a:link {
 color: gray; /*����Ĭ�ϵ���ɫ�仯*/
 text-decoration:none;
}
#span1 a:visited {
 color: gray; /*���ӷ��ʵ���ɫ�仯*/
 text-decoration:none;
}
#span1 a:hover {
 color: #FF3300; /*��꾭������ɫ�仯*/
 text-decoration:none;
 cursor:pointer;
}
#span1 a:active { 
 color:black; /*��갴�µ���ɫ�仯*/
 text-decoration:none;
}
#trees ul li a{ color:#FF7200; text-decoration:none;}
#trees ul li a:hover{ color:#FF7200;text-decoration:none;}

.foot span a{ color:white; text-decoration:none;}
.foot span  a:hover{ color:white; text-decoration:none;}

#links a{ color:#FF7200; text-decoration:none;}
#links a:hover{ color:#FF7200;text-decoration:none;}

.login a{ color:#666; text-decoration:none;}
.login a:hover{ color:#666;text-decoration:none;}

#foots a{ color:white; text-decoration:none;}
#foots a:hover{ color:white; text-decoration:none;}

#xinwen a{ color:#333; text-decoration:none;}
#xinwen a:hover{ color:#333; text-decoration:none;}